4. Set the interface on the new member switch as a Virtual Chassis Port (VCP):
user@switch> request virtual-chassis vc-port set pic-slot slot-number port port-number
5. Confirm that the new member switch is now included within the Virtual Chassis
configurationby entering the show virtual-chassis command.The new member switch
should be listed in the output and the Status is Prsnt.
6. Cable the next port into the Virtual Chassis, using Steps 2 through 5.
CAUTION: If you immediately cable both VCPs on the new switch into the
existing Virtual Chassis at the same time, a member switch that was
already part of the Virtual Chassis might become non-operational for
several seconds. Network traffic to this switch is dropped during the
downtime.
The member switch will return to the normal operational state with no
user intervention, and normal operation of the Virtual Chassis will resume
after this downtime.
7. If further Virtual Chassis configuration is needed, see “Configuring a QFX Series Virtual
Chassis (CLI Procedure)” on page 109.
Related
Documentation
Configuring a QFX Series Virtual Chassis (CLI Procedure) on page 109•
Configuring a QFX Series Virtual Chassis (CLI Procedure)
This topic discusses configuring a QFX Series Virtual Chassis. It does not apply to
configuring a Virtual Chassis Fabric (VCF). For information on configuring a VCF, see
Understanding Virtual Chassis Fabric Configuration.
You configure a QFX Series Virtual Chassis by configuring Virtual Chassis ports (VCPs)
on the member switches and interconnecting the switches using the VCPs. The VCPs
pass all data and control traffic between member switches in the Virtual Chassis. See
“Understanding QFX Series Virtual Chassis” on page 8 and Understanding Mixed EX
Series and QFX Series Virtual Chassis or Virtual Chassis Fabric for details on the switches
that can be interconnected into a QFX Virtual Chassis, and the ports on those switches
that can be used as VCPs.
A QFX Series Virtual Chassis can only be set up using QFX series switches configured in
standalone mode.
•
For QFX3500 or QFX3600 switches in a Virtual Chassis, you must download the Junos
OS image that supports Virtual Chassis—an image that includes “jinstall-qfx-3-” in the
filenamewhen the Junos OS image is downloaded from the Software Center. QFX3500
109Copyright © 2017, Juniper Networks, Inc.
Chapter 12: Performing Initial Configuration
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